id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4474039,2192535,plaintiff,del Boure,John,,702728,"del Boure, John, of Kirkham, on his own account",0 4474040,2192535,defendant,Slengesby,William de,butcher,,"Slengesby, William de, butcher",0 4474041,2192535,defendant,Irton,William de,,589401,"Irton, William de, of Scardeburgh",1 4474042,2192535,defendant,Slengesby,John de,,,"Slengesby, John de",2